A ultrasound exam that is done to evaluate a possible chromosomal risk by measuring the fluid behind the babies neck from the 11 week till the 13th week of pregnancy.
Prep:
A full bladder is required for this scan. To prepare for the ultrasound, empty your bladder two hours before the exam. Then, drink 4-5 glasses of water 40-60 minutes before the scan. Avoid emptying your bladder after drinking water.
Time:
75min
Cost:
Resident:$160